<%@page contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>测试EL表达式</title>
</head>
<body>
<%=System.getProperty("catalina.base") %><br>
<h1>j2.jsp</h1>
\${name}=${name}<br>
\${age}=${age}<br>
</body>
</html>